06 X Off Road - Burning gas

[Jay M]

Hey! Long time lurker, first time poster. Many of you have helped me through the Strawberry Milkshake of death, part suggestions, and great discussions!

I have an 06 Off Road, we babied home from day 1, with only 110,000 miles! For us Canadians, that’s about 171,000 km. She has seen lots since we welcomed her home!! Another 100,000 miles would be amazing! We brought my son home in it, and next year, he will be driving it. (If he can afford the fuel, lol)

Wondering if anyone has a suggestion? The OR is burning fuel like crazy! The engine is not throwing any codes, so the mechanics have not been helpful. Started with the easy stuff, fuels, filters and pressures. Expecting a drop in the cold winter, we were only getting 125 miles per tank!!! Here’s the rub, took it out to the Mountains this weekend, to stretch the legs, and got 137 km (86 Miles) on just over a quarter tank, for real! The head of the service department here said start with MAF, plugs, then upstream O2, downstream O2, and catalytic converter. Pretty expensive to just take a shot in the dark, and I am not a very gifted mechanic

Has anyone had similar, and share any advice?

Thanks all

 

[Brunnie]

Did this just start or has it been going on for a long time? Have you replaced the spark plugs? At 110,000 miles it is time. IMHO... going by the gauge is not an accurate reflection of how much fuel has been used, keeping actual numbers of miles (kilometers) and gallons (liters) is much more accurate and will give a good average of what you are getting. What is your tire pressure? Keeping them properly inflated at about 35 psi will help. How fast do you drive? The sweet spot for these engines is right around 2100-2300 rpm. Finally, how much "stuff" do you have inside? Weight is a real fuel killer.

 

[Prime]

It's time for a tune up! Plugs and coils. Also consider bumping the octane of the fuel you're using. I'm at altitude in Denver and I noticed a significant bump in fuel economy going from our base 85 octane to 87 octane.

 

[TerryD]

Check your intake tract boots for tears as well. Pretty common on these.

 

[Jay M]

Did this just start or has it been going on for a long time? Have you replaced the spark plugs? At 110,000 miles it is time. IMHO... going by the gauge is not an accurate reflection of how much fuel has been used, keeping actual numbers of miles (kilometers) and gallons (liters) is much more accurate and will give a good average of what you are getting. What is your tire pressure? Keeping them properly inflated at about 35 psi will help. How fast do you drive? The sweet spot for these engines is right around 2100-2300 rpm. Finally, how much "stuff" do you have inside? Weight is a real fuel killer.

Just over the last few winters. As we have put way less miles on her. Replaced the plugs at about 60,000 miles. The readings were mapped over at least 10 fuels with the mileage written right on the receipts, so I didnt forget. 4x here in the winter kills mileage, and the load is empty, easy on the throttle. I may try the plugs, thanks for the response!